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+//
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+// NCViewerImage.swift
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+// Nextcloud
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+//
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+// Created by Marino Faggiana on 18/02/20.
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+// Copyright © 2020 Marino Faggiana. All rights reserved.
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+//
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+// Author Marino Faggiana <marino.faggiana@nextcloud.com>
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+//
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+// This program is free software: you can redistribute it and/or modify
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+// it under the terms of the GNU General Public License as published by
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+// the Free Software Foundation, either version 3 of the License, or
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+// (at your option) any later version.
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+//
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+// This program is distributed in the hope that it will be useful,
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+// but WITHOUT ANY WARRANTY; without even the implied warranty of
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+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+// GNU General Public License for more details.
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+//
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+// You should have received a copy of the GNU General Public License
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+// along with this program. If not, see <http://www.gnu.org/licenses/>.
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+//
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+
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+import Foundation
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+import NCCommunication
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+
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+class NCViewerImage: NSObject {
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+
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+ private weak var metadata: tableMetadata?
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+ private let appDelegate = UIApplication.shared.delegate as! AppDelegate
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+
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+ private var viewerImageViewController: NCViewerImageViewController?
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+ private var metadatas = [tableMetadata]()
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+
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+ private var favoriteFilterImage: Bool = false
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+ private var mediaFilterImage: Bool = false
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+ private var offlineFilterImage: Bool = false
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+
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+ private weak var detailViewController: NCDetailViewController?
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+
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+ private var videoLayer: AVPlayerLayer?
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+ private var viewerImageViewControllerLongPressInProgress = false
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+
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+ init(_ metadata: tableMetadata, metadatas: [tableMetadata], detailViewController: NCDetailViewController, favoriteFilterImage: Bool, mediaFilterImage: Bool, offlineFilterImage: Bool) {
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+
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+ self.metadata = metadata
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+ self.metadatas = metadatas
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+ self.detailViewController = detailViewController
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+ self.favoriteFilterImage = favoriteFilterImage
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+ self.mediaFilterImage = mediaFilterImage
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+ self.offlineFilterImage = offlineFilterImage
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+ }
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+
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+ func viewImage() {
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+ guard let detailViewController = detailViewController else { return }
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+ viewerImageViewController = NCViewerImageViewController(index: 0, dataSource: self, delegate: self)
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+
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+ for view in detailViewController.backgroundView.subviews { view.removeFromSuperview() }
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+
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+ if let metadatas = NCViewerImageCommon.shared.getMetadatasDatasource(metadata: self.metadata, metadatas: self.metadatas, favoriteDatasorce: favoriteFilterImage, mediaDatasorce: mediaFilterImage, offLineDatasource: offlineFilterImage) {
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+
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+ var index = 0
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+ if let indexFound = metadatas.firstIndex(where: { $0.ocId == self.metadata?.ocId }) { index = indexFound }
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+ self.metadatas = metadatas
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+
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+ self.viewerImageViewController = NCViewerImageViewController(index: index, dataSource: self, delegate: self)
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+ if viewerImageViewController != nil {
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+
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+ detailViewController.backgroundView.image = nil
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+
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+ viewerImageViewController!.view.isHidden = true
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+
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+ viewerImageViewController!.enableInteractiveDismissal = true
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+
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+ detailViewController.addChild(viewerImageViewController!)
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+ detailViewController.backgroundView.addSubview(viewerImageViewController!.view)
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+
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+ viewerImageViewController!.view.frame = CGRect(x: 0, y: 0, width: detailViewController.backgroundView.frame.width, height: detailViewController.backgroundView.frame.height)
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+ viewerImageViewController!.view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
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+
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+ viewerImageViewController!.didMove(toParent: detailViewController)
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+
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+ DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(100)) {
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+ self.viewerImageViewController!.changeInViewSize(to: detailViewController.backgroundView.frame.size)
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+ self.viewerImageViewController!.view.isHidden = false
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+ }
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+ }
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+ }
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+
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+ NotificationCenter.default.addObserver(self, selector: #selector(self.synchronizationMedia(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_synchronizationMedia), object: nil)
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+ NotificationCenter.default.addObserver(self, selector: #selector(self.changeDisplayMode), name: NSNotification.Name(rawValue: k_notificationCenter_splitViewChangeDisplayMode), object: nil)
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+
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+ NotificationCenter.default.addObserver(self, selector: #selector(self.downloadFile(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_downloadFile), object: nil)
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+ NotificationCenter.default.addObserver(self, selector: #selector(self.deleteFile(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_deleteFile), object: nil)
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+ NotificationCenter.default.addObserver(self, selector: #selector(self.renameFile(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_renameFile), object: nil)
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+ NotificationCenter.default.addObserver(self, selector: #selector(self.moveFile(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_moveFile), object: nil)
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+ }
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+
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+ //MARK: - NotificationCenter
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+
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+ @objc func changeDisplayMode() {
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+ guard let detailViewController = detailViewController else { return }
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+ NCViewerImageCommon.shared.imageChangeSizeView(viewerImageViewController: viewerImageViewController, size: detailViewController.backgroundView.frame.size, metadata: metadata)
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+ }
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+
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+ @objc func synchronizationMedia(_ notification: NSNotification) {
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+ if let userInfo = notification.userInfo as NSDictionary? {
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+ if let type = userInfo["type"] as? String {
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+
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+ if self.mediaFilterImage {
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+
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+ if let metadatas = appDelegate.activeMedia.sectionDatasource.metadatas as? [tableMetadata] {
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+ self.metadatas = metadatas
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+ }
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+
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+ if type == "delete" {
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+ if metadatas.count > 0 {
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+ var index = viewerImageViewController!.index - 1
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+ if index < 0 { index = 0}
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+ self.metadata = metadatas[index]
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+ viewImage()
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+
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+ } else {
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+
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+ detailViewController?.viewUnload()
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+ }
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+ }
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+
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+ if type == "rename" || type == "move" {
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+ viewerImageViewController?.reloadContentViews()
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ @objc func moveFile(_ notification: NSNotification) {
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+ deleteFile(notification)
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+ }
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+
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+ @objc func deleteFile(_ notification: NSNotification) {
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+ if let userInfo = notification.userInfo as NSDictionary? {
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+ if let metadata = userInfo["metadata"] as? tableMetadata, let errorCode = userInfo["errorCode"] as? Int {
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+ if errorCode != 0 || metadata.account != self.metadata?.account || metadata.serverUrl != self.metadata?.serverUrl { return }
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+
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+ if !mediaFilterImage {
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+ if let metadatas = NCViewerImageCommon.shared.getMetadatasDatasource(metadata: self.metadata, metadatas: self.metadatas, favoriteDatasorce: favoriteFilterImage, mediaDatasorce: mediaFilterImage, offLineDatasource: offlineFilterImage) {
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+ var index = viewerImageViewController!.index - 1
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+ if index < 0 { index = 0}
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+ self.metadata = metadatas[index]
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+ viewImage()
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+ } else {
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+ detailViewController?.viewUnload()
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ @objc func renameFile(_ notification: NSNotification) {
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+ if let userInfo = notification.userInfo as NSDictionary? {
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+ if let metadata = userInfo["metadata"] as? tableMetadata, let errorCode = userInfo["errorCode"] as? Int {
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+ if errorCode != 0 || metadata.account != self.metadata?.account || metadata.serverUrl != self.metadata?.serverUrl { return }
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+
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+ if !mediaFilterImage {
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+
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+ if NCViewerImageCommon.shared.getMetadatasDatasource(metadata: self.metadata, metadatas: self.metadatas, favoriteDatasorce: favoriteFilterImage, mediaDatasorce: mediaFilterImage, offLineDatasource: offlineFilterImage) != nil {
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+ viewImage()
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+ } else {
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+ detailViewController?.viewUnload()
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ @objc func downloadFile(_ notification: NSNotification) {
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+ if let userInfo = notification.userInfo as NSDictionary? {
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+ if let metadata = userInfo["metadata"] as? tableMetadata, let errorCode = userInfo["errorCode"] as? Int {
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+ if metadata.account != self.metadata?.account || metadata.serverUrl != self.metadata?.serverUrl { return }
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+
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+ if errorCode == 0 {
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+ viewerImageViewController?.reloadContentViews()
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+ }
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+ }
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+ }
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+ }
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+}
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+
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+//MARK: - viewerImageViewController - Delegate/DataSource
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+
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+extension NCViewerImage: NCViewerImageViewControllerDelegate, NCViewerImageViewControllerDataSource {
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+
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+ func numberOfItems(in viewerImageViewController: NCViewerImageViewController) -> Int {
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+ return metadatas.count
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+ }
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+
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+ func viewerImageViewController(_ viewerImageViewController: NCViewerImageViewController, imageAt index: Int, completion: @escaping (_ index: Int, _ image: UIImage?, _ metadata: tableMetadata, _ zoomScale: ZoomScale?, _ error: Error?) -> Void) {
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+
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+ if index >= metadatas.count { return }
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+ guard let detailViewController = detailViewController else { return }
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+
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+ let metadata = metadatas[index]
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+ let isPreview = CCUtility.fileProviderStorageIconExists(metadata.ocId, fileNameView: metadata.fileNameView)
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+ let isImage = CCUtility.fileProviderStorageSize(metadata.ocId, fileNameView: metadata.fileNameView) > 0
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+
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+ // Refresh self metadata && title
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+ if viewerImageViewController.index < metadatas.count {
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+ self.metadata = metadatas[viewerImageViewController.index]
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+ detailViewController.metadata = self.metadata
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+ detailViewController.navigationController?.navigationBar.topItem?.title = self.metadata!.fileNameView
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+
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+ }
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+
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+ // Status Current
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+ if index == viewerImageViewController.currentItemIndex {
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+ statusViewImage(metadata: metadata, viewerImageViewController: viewerImageViewController)
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+ }
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+
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+ // Preview for Video
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+ if metadata.typeFile == k_metadataTypeFile_video && !isPreview && isImage {
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+
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+ CCGraphics.createNewImage(from: metadata.fileNameView, ocId: metadata.ocId, filterGrayScale: false, typeFile: metadata.typeFile, writeImage: true)
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+ }
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+
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+ // Original only for actual
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+ if metadata.typeFile == k_metadataTypeFile_image && isImage && index == viewerImageViewController.index {
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+
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+ if let image = NCViewerImageCommon.shared.getImage(metadata: metadata) {
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+ completion(index, image, metadata, ZoomScale.default, nil)
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+ } else {
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+ completion(index, NCViewerImageCommon.shared.getImageOffOutline(frame: detailViewController.view.frame, type: metadata.typeFile), metadata, ZoomScale.default, nil)
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+ }
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+
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+ // HEIC
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+ } else if metadata.contentType == "image/heic" && CCUtility.fileProviderStorageSize(metadata.ocId, fileNameView: metadata.fileNameView) == 0 && metadata.hasPreview == false {
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+
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+ let serverUrlFileName = metadata.serverUrl + "/" + metadata.fileName
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+ let fileNameLocalPath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileName)!
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+
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+ _ = NCCommunication.sharedInstance.download(serverUrlFileName: serverUrlFileName, fileNameLocalPath: fileNameLocalPath, account: metadata.account, progressHandler: { (progress) in }) { (account, etag, date, length, errorCode, errorDescription) in
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+
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+ if errorCode == 0 && account == metadata.account {
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+
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+ _ = NCManageDatabase.sharedInstance.addLocalFile(metadata: metadata)
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+
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+ if let image = UIImage.init(contentsOfFile: fileNameLocalPath) {
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+
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+ CCGraphics.createNewImage(from: metadata.fileNameView, ocId: metadata.ocId, filterGrayScale: false, typeFile: metadata.typeFile, writeImage: true)
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+
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+ completion(index, image, metadata, ZoomScale.default, nil)
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+ } else {
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+ completion(index, NCViewerImageCommon.shared.getImageOffOutline(frame: detailViewController.view.frame, type: metadata.typeFile), metadata, ZoomScale.default, nil)
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+ }
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+ } else if errorCode != 0 {
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+ completion(index, NCViewerImageCommon.shared.getImageOffOutline(frame: detailViewController.view.frame, type: metadata.typeFile), metadata, ZoomScale.default, nil)
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+ }
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+ }
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+
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+ // Preview
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+ } else if isPreview {
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+
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+ if let image = NCViewerImageCommon.shared.getThumbnailImage(metadata: metadata) {
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+ completion(index, image, metadata, ZoomScale.default, nil)
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+ } else {
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+ completion(index, NCViewerImageCommon.shared.getImageOffOutline(frame: detailViewController.view.frame, type: metadata.typeFile), metadata, ZoomScale.default, nil)
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+ }
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+
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+ } else if metadata.hasPreview {
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+
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+ let fileNamePath = CCUtility.returnFileNamePath(fromFileName: metadata.fileName, serverUrl: metadata.serverUrl, activeUrl: appDelegate.activeUrl)!
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+ let fileNameLocalPath = CCUtility.getDirectoryProviderStorageIconOcId(metadata.ocId, fileNameView: metadata.fileNameView)!
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+
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+ NCCommunication.sharedInstance.downloadPreview(serverUrl: appDelegate.activeUrl, fileNamePath: fileNamePath, fileNameLocalPath: fileNameLocalPath, width: CGFloat(k_sizePreview), height: CGFloat(k_sizePreview), account: metadata.account) { (account, data, errorCode, errorMessage) in
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+ if errorCode == 0 && data != nil {
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+ completion(index, UIImage.init(data: data!), metadata, ZoomScale.default, nil)
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+ } else {
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+ completion(index, NCViewerImageCommon.shared.getImageOffOutline(frame: detailViewController.view.frame, type: metadata.typeFile), metadata, ZoomScale.default, nil)
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+ }
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+ }
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+ } else {
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+ completion(index, NCViewerImageCommon.shared.getImageOffOutline(frame: detailViewController.view.frame, type: metadata.typeFile), metadata, ZoomScale.default, nil)
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+ }
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+ }
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+
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+ func viewerImageViewController(_ viewerImageViewController: NCViewerImageViewController, didChangeFocusTo index: Int, view: NCViewerImageContentView, metadata: tableMetadata) {
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+
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+ if metadata.typeFile == k_metadataTypeFile_image {
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+ DispatchQueue.global().async {
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+ if let image = NCViewerImageCommon.shared.getImage(metadata: metadata) {
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+ DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(400)) {
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+ view.image = image
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+ }
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+ }
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+ }
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+ }
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+
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+ statusViewImage(metadata: metadata, viewerImageViewController: viewerImageViewController)
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+ }
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+
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+ func viewerImageViewControllerTap(_ viewerImageViewController: NCViewerImageViewController, metadata: tableMetadata) {
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+
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+ guard let detailViewController = detailViewController else { return }
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+ guard let navigationController = detailViewController.navigationController else { return }
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+
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+ if metadata.typeFile == k_metadataTypeFile_image {
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+
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+ if navigationController.isNavigationBarHidden {
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+ detailViewController.navigateControllerBarHidden(false)
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+ viewerImageViewController.statusView.isHidden = false
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+ } else {
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+ detailViewController.navigateControllerBarHidden(true)
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+ viewerImageViewController.statusView.isHidden = true
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+ }
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+
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+ NCViewerImageCommon.shared.imageChangeSizeView(viewerImageViewController: viewerImageViewController, size: detailViewController.backgroundView.frame.size, metadata: metadata)
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+
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+ } else {
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+
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+ if let viewerImageVideo = UIStoryboard(name: "NCViewerImageVideo", bundle: nil).instantiateInitialViewController() as? NCViewerImageVideo {
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+ viewerImageVideo.metadata = metadata
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+ detailViewController.present(viewerImageVideo, animated: false) { }
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+ }
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+ }
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+
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+ statusViewImage(metadata: metadata, viewerImageViewController: viewerImageViewController)
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+ }
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+
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+ func viewerImageViewControllerLongPressBegan(_ viewerImageViewController: NCViewerImageViewController, metadata: tableMetadata) {
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+
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+ viewerImageViewControllerLongPressInProgress = true
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+
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+ let fileName = (metadata.fileNameView as NSString).deletingPathExtension + ".mov"
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+ if let metadata = NCManageDatabase.sharedInstance.getMetadata(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@ AND fileNameView LIKE[c] %@", metadata.account, metadata.serverUrl, fileName)) {
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+
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+ if CCUtility.fileProviderStorageSize(metadata.ocId, fileNameView: metadata.fileNameView) > 0 {
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+
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+ viewMOV(viewerImageViewController: viewerImageViewController, metadata: metadata)
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+
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+ } else {
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+
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+ let serverUrlFileName = metadata.serverUrl + "/" + metadata.fileName
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+ let fileNameLocalPath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileName)!
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+
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+ _ = NCCommunication.sharedInstance.download(serverUrlFileName: serverUrlFileName, fileNameLocalPath: fileNameLocalPath, account: metadata.account, progressHandler: { (progress) in
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+
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+ }) { (account, etag, date, length, errorCode, errorDescription) in
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+
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+ if errorCode == 0 && account == metadata.account {
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+
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+ _ = NCManageDatabase.sharedInstance.addLocalFile(metadata: metadata)
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+ self.viewMOV(viewerImageViewController: viewerImageViewController, metadata: metadata)
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ func viewerImageViewControllerLongPressEnded(_ viewerImageViewController: NCViewerImageViewController, metadata: tableMetadata) {
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+
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+ viewerImageViewControllerLongPressInProgress = false
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+
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+ appDelegate.player?.pause()
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+ videoLayer?.removeFromSuperlayer()
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|
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+ }
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|
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+
|
|
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+ func viewerImageViewControllerDismiss() {
|
|
|
+ detailViewController?.viewUnload()
|
|
|
+ }
|
|
|
+
|
|
|
+ @objc func downloadImage() {
|
|
|
+
|
|
|
+ guard let metadata = self.metadata else {return }
|
|
|
+
|
|
|
+ metadata.session = k_download_session
|
|
|
+ metadata.sessionError = ""
|
|
|
+ metadata.sessionSelector = ""
|
|
|
+ metadata.status = Int(k_metadataStatusWaitDownload)
|
|
|
+
|
|
|
+ self.metadata = NCManageDatabase.sharedInstance.addMetadata(metadata)
|
|
|
+
|
|
|
+ if let index = metadatas.firstIndex(where: { $0.ocId == metadata.ocId }) {
|
|
|
+ metadatas[index] = self.metadata!
|
|
|
+ }
|
|
|
+
|
|
|
+ appDelegate.startLoadAutoDownloadUpload()
|
|
|
+ }
|
|
|
+
|
|
|
+ func saveLivePhoto(metadata: tableMetadata, metadataMov: tableMetadata) {
|
|
|
+
|
|
|
+ let fileNameImage = URL(fileURLWithPath: CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView)!)
|
|
|
+ let fileNameMov = URL(fileURLWithPath: CCUtility.getDirectoryProviderStorageOcId(metadataMov.ocId, fileNameView: metadataMov.fileNameView)!)
|
|
|
+
|
|
|
+ NCLivePhoto.generate(from: fileNameImage, videoURL: fileNameMov, progress: { progress in
|
|
|
+ self.detailViewController?.progress(Float(progress))
|
|
|
+ }, completion: { livePhoto, resources in
|
|
|
+ self.detailViewController?.progress(0)
|
|
|
+ if resources != nil {
|
|
|
+ NCLivePhoto.saveToLibrary(resources!) { (result) in
|
|
|
+ if !result {
|
|
|
+ NCContentPresenter.shared.messageNotification("_error_", description: "_livephoto_save_error_", delay: TimeInterval(k_dismissAfterSecond), type: NCContentPresenter.messageType.error, errorCode: Int(k_CCErrorInternalError))
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ NCContentPresenter.shared.messageNotification("_error_", description: "_livephoto_save_error_", delay: TimeInterval(k_dismissAfterSecond), type: NCContentPresenter.messageType.error, errorCode: Int(k_CCErrorInternalError))
|
|
|
+ }
|
|
|
+ })
|
|
|
+ }
|
|
|
+
|
|
|
+ func statusViewImage(metadata: tableMetadata, viewerImageViewController: NCViewerImageViewController) {
|
|
|
+
|
|
|
+ var colorStatus: UIColor = UIColor.white.withAlphaComponent(0.8)
|
|
|
+ if detailViewController?.view.backgroundColor?.isLight() ?? true { colorStatus = UIColor.black.withAlphaComponent(0.8) }
|
|
|
+
|
|
|
+ if NCUtility.sharedInstance.hasMOV(metadata: metadata) != nil {
|
|
|
+ viewerImageViewController.statusView.image = CCGraphics.changeThemingColorImage(UIImage.init(named: "livePhoto"), width: 100, height: 100, color: colorStatus)
|
|
|
+ } else if metadata.typeFile == k_metadataTypeFile_video || metadata.typeFile == k_metadataTypeFile_audio {
|
|
|
+ viewerImageViewController.statusView.image = CCGraphics.changeThemingColorImage(UIImage.init(named: "play"), width: 100, height: 100, color: colorStatus)
|
|
|
+ } else {
|
|
|
+ viewerImageViewController.statusView.image = nil
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ func viewMOV(viewerImageViewController: NCViewerImageViewController, metadata: tableMetadata) {
|
|
|
+
|
|
|
+ if !viewerImageViewControllerLongPressInProgress { return }
|
|
|
+
|
|
|
+ appDelegate.player = AVPlayer(url: URL(fileURLWithPath: CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView)!))
|
|
|
+ videoLayer = AVPlayerLayer(player: appDelegate.player)
|
|
|
+ if videoLayer != nil {
|
|
|
+ videoLayer!.frame = viewerImageViewController.view.frame
|
|
|
+ videoLayer!.videoGravity = AVLayerVideoGravity.resizeAspect
|
|
|
+ viewerImageViewController.view.layer.addSublayer(videoLayer!)
|
|
|
+ appDelegate.player?.play()
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
marinofaggiana